What Causes Perimenopause?
As your ovaries change and are less able to produce estrogen and progesterone, your body responds. This may be subtle at first, and become more noticeable as you approach menopause. Your hormone levels can fluctuate wildly during the perimenopause, dipping and even rising to higher levels than before. You will have your own unique response to these changing levels, depending on how variable they are and how sensitive you are to changes. Some women notice symptoms at the first small variation, and some never have symptoms at all.
